choosing different sound input and output devices

Marek Zarychta zarychtam at
Wed Apr 21 14:58:40 UTC 2021

W dniu 21.04.2021 o 14:11, Hans Petter Selasky pisze:
> On 4/21/21 1:42 PM, Marek Zarychta wrote:
>> Dear subscribers,
>> I tried to deploy the Chromium browser run on FreeBSD CURRENT to work 
>> with Microsoft Teams and it almost works fine except for audio 
>> settings. To use USB microphone I have changed sysctl 
>> hw.snd.default_unit and was able to use my microphone, but it broke 
>> the playback. Is it possible to use different audio input and output 
>> devices ? Any clues, especially with regard to www/chromium will be 
>> appreciated.
>> Perhaps the list I am posting this question on was not carefully 
>> chosen, but haven't found any sound/audio specific mailing lists.
>> With kind regards,
> Hi,
> Virtual OSS from ports can do this for you. Now also via the command 
> line tool virtual_oss_cmd
> See:

Thank you for the clue. I should have put more effort into finding this 
on FreeBSD Wiki pages.

With Virtual OSS  (audio/virtual_oss) installed and configured 
teleconferencing on Microsoft Teams platform works fine with Chromium 
native FreeBSD package (www/chromium) installed - as far as I have 
tested it.

Marek Zarychta

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